{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "We treated 38 patients ( 22 low renin , 16 normal renin ) with moderate diastolic hypertension with hydrochlorothiazide ( HCTC ) administered on a twice daily schedule ."}
{"Disease": ["diastolic hypertension"], "Chemical": ["hydrochlorothiazide", "HCTC"]}